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Old 03-23-2013, 01:42 PM   #1
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Join Date: Mar 2013
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Location: naperville, IL
What I Drive: 2003 Ford Focus ZTS

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Focus 2003 Stalling problem

Hi I'm new here. I have been having a stalling problem with my 2003 Ford Focus ZTS. When idling at a stop light or stop sign the engine will start to run rough and sometimes cut out and stall. It does not do this while moving only when at a stop. I have been to two mechanics and they have not been able to identify the problem. I have had the oxygen sensors replaced already also a fuel pump to no avail.

Otherwise we love the heated seats!

Any suggestions would be appreciated!

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Old 03-23-2013, 03:11 PM   #2
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Try cleaning the mass air flow sensor, and if that doesn't work its time to replace your idle air control valve.
7/8/13 Final mileage 248,565-sold
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Old 03-23-2013, 03:25 PM   #3
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Check your PVC hose, too. The passenger end where it bends sharply can split and/or get soft and collapse, and ruin the idle.
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